CN106321876A - Low-temperature regulating valve - Google Patents
Low-temperature regulating valve Download PDFInfo
- Publication number
- CN106321876A CN106321876A CN201610711548.6A CN201610711548A CN106321876A CN 106321876 A CN106321876 A CN 106321876A CN 201610711548 A CN201610711548 A CN 201610711548A CN 106321876 A CN106321876 A CN 106321876A
- Authority
- CN
- China
- Prior art keywords
- valve
- bonnet
- isolating cylinder
- spool
- low temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001105 regulatory effect Effects 0.000 title abstract 3
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000004146 energy storage Methods 0.000 claims abstract description 18
- 238000012856 packing Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
- F16K3/267—Combination of a sliding valve and a lift valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/161—Housings for valves, tee pieces, or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a low-temperature regulating valve. Sleeves are fixedly installed in a valve body. A valve element is installed in the sleeves in a sliding manner. A spring energy storage seal ring is arranged between the outer wall of the valve element and the inner walls of the sleeves. A supporting sleeve is fixedly installed on the sleeves. A seal base is fixedly installed on the supporting sleeve. A corrugated pipe part is fixedly installed on the lower surface of the seal base and is arranged in the supporting sleeve. An upper valve deck is fixedly installed on the seal base. A seal ring is arranged between the upper valve deck and the seal base. The bottom of the upper valve deck is shaped like a barrel. A valve rod is fixedly installed on the valve element and sequentially penetrates the sleeves, the corrugated pipe part, the seal base and the upper valve deck. A valve rod seal ring is arranged between the seal base and the valve rod. A packing assembly is arranged between the upper valve deck and the valve rod. An isolation barrel part is arranged on the supporting sleeve in a sleeving manner and is fixedly connected with the valve body and the upper valve deck. By means of the low-temperature regulating valve, the sealing performance of the valve is improved, the installation space is saved, the deformation of the valve rod is very small, the sealing performance is excellent, and the service life of the valve is long.
Description
Technical field
The present invention relates to Subzero valve technical field, especially relate to a kind of low temperature regulation valve.
Background technology
Along with the development of China's low-temperature industrial, liquefied petroleum gas, liquefied natural gas, liquid oxygen, liquid nitrogen and liquefied ammonia etc.
The extensive application of cryogenic media, Subzero valve increasingly receives significant attention, and these media are at production and processing and shipping storage
Process is required for using substantial amounts of Subzero valve, and in cryogenic system, uses Subzero valve mostly to be import, at China's low-temperature industrial
In automation control area, it is limited to sealing and the reliability of valve, is difficult to meet the normal, safe and reliable of cryogenic equipment
Run.
Meanwhile, Subzero valve typically uses the neck structure that grows tall, and valve installing space demand is too big, and the equipment that runs often wants pre-
Stay sufficiently large space, installation is caused the biggest difficulty.Meanwhile, it mostly is single-seat valve at Subzero valve, owing to common balance is close
The material that seal is used can not meet the use requirement of ultralow-temperature operation conditions lower valve, so Subzero valve typically uses non-equilibrium
Formula valve core structure, therefore spool suffers from the biggest out-of-balance force in course of action；And the feature of Subzero valve is for growing tall
Neck structure, the valve rod of institute's adapted is elongate rod, during valve working, in out-of-balance force and the thrust etc. of actuator of spool
Under comprehensive function, valve rod is easy to tired bending, thus affects overall performance and the service life of valve, causes valve time serious
Stuck.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome Subzero valve of the prior art typically to use long hub to tie
Structure, valve installing space demand is too big, and operation equipment often to reserve sufficiently large space, and installation causes the biggest difficulty.With
Time, it mostly being single-seat valve at Subzero valve, the material used due to common balanced seal circle can not meet under ultralow-temperature operation conditions
The use requirement of valve, so Subzero valve typically uses unbalanced valve core structure, therefore spool in course of action often
By the biggest out-of-balance force；And the feature of Subzero valve is for growing tall neck structure, the valve rod of institute's adapted is elongate rod, valve working
During, under the comprehensive function such as thrust of the out-of-balance force of spool and actuator, valve rod is easy to tired bending, thus shadow
Ring overall performance and the service life of valve, time serious, cause the problem that valve is stuck, it is provided that a kind of low temperature regulation valve.
The technical solution adopted for the present invention to solve the technical problems is: a kind of low temperature regulation valve, including valve body, and described valve
The internal sleeve that is installed with, described sleeve includes that upper bush and lower sleeve, described upper bush use vertical compression with described lower sleeve
Formula designs, and upper bush and lower sleeve compress and constitute valve installation dimension chain, are slidably fitted with spool in described sleeve, and spool is flat
Weighing apparatus formula perforation structure, is provided with spring energy-storage sealing ring between outer wall and the inwall of sleeve of described spool, solid on described sleeve
Dingan County, equipped with support set, described support set is installed with seal receptacle, described seal receptacle lower surface is installed with ripple
Duct member, described bellows components is arranged in described support set, and described seal receptacle is installed with bonnet, described upper valve
Being provided with sealing ring between lid and described seal receptacle, the bottom of described bonnet, is tubular, and described spool is installed with valve
Bar, described spool is fixed by locking nut with described valve rod, and is prevented valve rod rotation on spool, described valve by steel ball
Bar sequentially passes through sleeve, bellows components, seal receptacle and bonnet, is provided with valve stem seal between described seal receptacle and described valve rod
Circle, is provided with filler assembly, described support set is arranged with isolating cylinder parts, described isolation between described bonnet, and described valve rod
Cartridge unit is fixing connects valve body and bonnet,.
Further, the upper end of described spool has annular opening, and described spring energy-storage sealing ring is arranged on described ring
In shape opening, the upper end of described spool is installed with spool pressing plate by hexagon socket cap head screw, described spool pressing plate
Lower surface is fitted with described spring energy-storage sealing ring.
The opening part of described spring energy-storage sealing ring is installed with the open flap of arc, when valve working, is arranged on
Accumulation of energy ring within sealing ring and open flap being strutted from the pressure of medium in valve pocket so that it is be close to upper bush inwall,
To reach the sealing effectiveness that valve needs.
Further, described bellows components includes bearing and a corrugated tube, and described bearing is all overlapped with described corrugated tube
Being located on described valve rod, the two ends of described corrugated tube are fixing with seal receptacle and a bearing respectively to be connected.
Further, described isolating cylinder parts include interior isolating cylinder, outer isolating cylinder and upper cover plate, described interior isolating cylinder interior
The outer circumference surface laminating of periphery and described support set, the bottom of described interior isolating cylinder is fixedly connected with the valve body, described outer isolation
Cylinder is coaxially disposed with described interior isolating cylinder, and the bottom of described outer isolating cylinder is fixedly connected with the valve body, and described interior isolating cylinder is with described
The upper end of outer isolating cylinder is all fixing with upper cover plate to be connected, and described upper cover plate is fixing with described bonnet, to be connected.
Further, described bonnet, being installed with fairlead, described valve rod passes described fairlead, by guiding
Set is slidably connected with described bonnet,.
Further, the sealing ring arranged between described bonnet, and described seal receptacle is octangonal ring, bonnet, and sealing
Using octangonal ring to realize sealing at Zuo, when bonnet, and isolating cylinder parts bolt presses, octangonal ring stress realizes sealing effect
Really.
Further, in order to strengthen the overall sealing performance of the present invention, arrange between described bonnet, and described upper cover plate
There is sealing gasket.
The invention has the beneficial effects as follows: the present invention uses the three isolated structures in chamber, intercepts cryogenic media at valve body completely
Inner chamber, prevents cryogenic media from intercepting the transmission of temperature while leaking outside, to improve the sealing property of valve, is substantially reduced valve whole
Height, saves installing space；Use balanced type valve core structure, eliminate spool out-of-balance force, valve when action, valve rod institute
The maximum external force born is only sealing force during valve closing, and valve rod deformation is the least, and sealing property is excellent, can reach ANSI
B16.104 V level, improves the service life of valve.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the two-dimensional representation of the present invention；
Fig. 2 is the enlarged drawing in Fig. 1 of the present invention at A；
Fig. 3 is the enlarged drawing in Fig. 1 of the present invention at B.
In figure: 1. valve body, 2. spool, 3. upper bush, outer isolating cylinder, 5. in isolating cylinder, 6. support set, 7. octangonal ring,
8. upper cover plate, 9. bonnet, 10. filler assembly, 11. sealing gaskets, 12. fairleads, 13. valve stem packing rings, 14. seal receptacles, 15.
Corrugated tube, 16. valve rods, 17. bearings, 18. hexagon socket cap head screws, 19. spool pressing plates, 20. spring energy-storage sealing rings,
21. steel balls, 22. lower sleeves, 23. locking nuts.
Detailed description of the invention
Presently in connection with accompanying drawing, the present invention will be further described in detail.These accompanying drawings are the schematic diagram of simplification, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
A kind of low temperature regulation valve as shown in Figure 1, including valve body 1, is installed with sleeve, described set in described valve body 1
Cylinder includes upper bush 3 and lower sleeve 22, and described upper bush 3 uses direct press type design with described lower sleeve 22, upper bush 3 with trap
Cylinder 22 compresses and constitutes valve installation dimension chain, is slidably fitted with spool 2 in described sleeve, and spool 2 is balanced type perforation structure, institute
Stating and be provided with spring energy-storage sealing ring 20 between outer wall and the inwall of sleeve of spool 2, the upper end of described spool 2 has annular
Opening, described spring energy-storage sealing ring 20 is arranged in described annular opening, as in figure 2 it is shown, the upper end of described spool 2 is by interior
Hexagonal cylindrical head screw 18 is installed with spool pressing plate 19, and the lower surface of described spool pressing plate 19 seals with described spring energy-storage
Circle 20 laminating, the opening part of described spring energy-storage sealing ring 20 is installed with the open flap of arc, when valve working, peace
It is contained in the accumulation of energy ring within spring energy-storage sealing ring 20 and open flap can be strutted from the pressure of medium in valve pocket so that it is be tight
Stick sleeve 3 inwall, to reach the sealing effectiveness that valve needs.
It is installed with support set 6 on described sleeve, described support set 6 is installed with seal receptacle 14, described sealing
Being installed with bellows components on seat 14 lower surfaces, described bellows components is arranged in described support set 6, described corrugated tube
Parts include that bearing 17 and a corrugated tube 15, described bearing 17 are all set on described valve rod 16 with described corrugated tube 15, institute
The two ends stating corrugated tube 15 are fixed be connected with seal receptacles 14 and a bearing 17 respectively.
It is installed with bonnet, 9 on described seal receptacle 14, between described bonnet, 9 and described seal receptacle 14, is provided with eight
Angle pad 7, as it is shown on figure 3, use octangonal ring 7 to realize sealing, when bonnet, 9 and isolating cylinder parts at bonnet, 9 and seal receptacle 14
When using bolt presses, octangonal ring 7 stress realizes sealing effectiveness.The bottom of described bonnet, 9 is tubular, fixing on described spool 2
Being provided with valve rod 16, described spool 2 is fixed by locking nut 23 with described valve rod 16, and is prevented valve rod 16 from existing by steel ball 21
Rotation on spool 2, described valve rod 16 sequentially passes through sleeve, bellows components, seal receptacle 14 and bonnet, 9, described seal receptacle
It is provided with valve stem packing ring 13 between 14 and described valve rod 16, between described bonnet, 9 and described valve rod 16, is provided with filler assembly 10.
Being arranged with isolating cylinder parts on described support set 6, described isolating cylinder parts are fixing connects valve body 1 and bonnet, 9.Institute
State isolating cylinder parts and include interior isolating cylinder 5, outer isolating cylinder 4 and upper cover plate 8, the inner peripheral surface of described interior isolating cylinder 5 and described
The outer circumference surface laminating of support set 6, the bottom of described interior isolating cylinder 5 is fixing with valve body 1 to be connected, and described outer isolating cylinder 4 is interior with described
Isolating cylinder 5 is coaxially disposed, and the bottom of described outer isolating cylinder 4 is fixing with valve body 1 to be connected, described interior isolating cylinder 5 and described outer isolation
The upper end of cylinder 4 is all fixing with upper cover plate 8 to be connected, and described upper cover plate 8 is fixing with described bonnet, 9 to be connected.
Being installed with fairlead 12 on described bonnet, 9, described valve rod 16, through described fairlead 12, passes through fairlead
12 are slidably connected with described bonnet, 9.
In order to strengthen the overall sealing performance of the present invention, between described bonnet, 9 and described upper cover plate 8, it is provided with sealing gasket
11。
The isolating cylinder parts being made up of interior isolating cylinder 5, outer isolating cylinder 4 and upper cover plate 8 are welded on valve body 1, constitute airtight
Space, forms first separate cavities；Bellows components is welded, with installation by a bearing 17, corrugated tube 15 and seal receptacle 14
Valve stem packing ring 13 at seal receptacle 14 constitutes second separate cavities；Tubular it is processed into bottom bonnet, 9, and equipped with fairlead
12, it is arranged on the filler assembly 10 at bonnet, 9 and collectively forms the 3rd separate cavities with valve stem packing ring 13 and octangonal ring 7, on
Filler assembly 10 at valve gap 9 is last seal structures of valve, it can be ensured that the complete machine sealing property of valve and prevent meaning
The generation of outer accident.
Valve stem packing ring 13 is the vital part constituting second and the 3rd separate cavities, when corrugated tube 15 endurance failure
Time, media leaks arrives in second separate cavities, and now certain media likely gasifies, and valve stem packing ring 13 can play well
Sealing function, stops cryogenic media seepage in the 3rd separate cavities, is greatly improved service life and the overall performance of valve,
Octangonal ring 7 is used to realize sealing at bonnet, 9 and seal receptacle 14, when bonnet, 9 and isolating cylinder parts bolt presses, anistree
Pad 7 stress and realize sealing effectiveness, prevent medium seepage in the 3rd separate cavities.
Use direct press type design, upper bush 3 and lower sleeve 22 to compress between upper bush 3 and lower sleeve 22 and constitute valve installation
Dimension chain, spool 2 is balanced type perforation structure, and spool 2 upper end is machined with annular opening, and spring energy-storage sealing ring 20 is arranged on
In annular opening, and being compressed by hexagon socket cap head screw 18 with spool pressing plate 19, spring energy-storage sealing ring 20 is internal
Accumulation of energy ring is installed, and opening part is installed with the open flap of arc, when valve working, is arranged on spring energy-storage sealing ring
Accumulation of energy ring within 20 and open flap being strutted from the pressure of medium in valve pocket so that it is be close to upper bush 3 inwall, to reach
The sealing effectiveness needed to valve, meanwhile, uses this structure can be substantially reduced the requirement to actuator, reduces valve rod 16
Load.
During installation, first spool 2, upper bush 3 and lower sleeve 22 etc. being placed in valve body 1 inner chamber, upper bush 3 is placed in valve body 1
In matched groove, support set 6 is arranged between upper bush 3 and seal receptacle 14, with the relative position of spacer dimple pipe 15,
In seal receptacle 14 groove, octangonal ring 7 is installed, prevents cryogenic media from letting out at this with the groove fit use bottom bonnet, 9
Leakage, finally completes to install with bolt presses.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (8)
1. a low temperature regulation valve, it is characterised in that: including valve body (1), described valve body is installed with sleeve in (1), described
It is slidably fitted with spool (2) in sleeve, between outer wall and the inwall of sleeve of described spool (2), is provided with spring energy-storage sealing ring
(20), described sleeve is installed with support set (6), described support set (6) is installed with seal receptacle (14), described close
Being installed with bellows components on envelope seat (14) lower surface, described bellows components is arranged in described support set (6), described
It is installed with bonnet, (9) on seal receptacle (14), between described bonnet, (9) and described seal receptacle (14), is provided with sealing
Circle, the bottom of described bonnet, (9) is tubular, and described spool (2) is installed with valve rod (16), and described valve rod (16) is successively
Through sleeve, bellows components, seal receptacle (14) and bonnet, (9), set between described seal receptacle (14) and described valve rod (16)
There is valve stem packing ring (13), between described bonnet, (9) and described valve rod (16), be provided with filler assembly (10), described support set
(6) being arranged with isolating cylinder parts on, described isolating cylinder parts are fixing connects valve body (1) and bonnet, (9).
2. low temperature regulation valve as claimed in claim 1, it is characterised in that: the upper end of described spool (2) has annular opening,
Described spring energy-storage sealing ring (20) is arranged in described annular opening, and the upper end of described spool (2) is installed with spool pressure
Plate (19), the lower surface of described spool pressing plate (19) is fitted with described spring energy-storage sealing ring (20).
3. low temperature regulation valve as claimed in claim 1, it is characterised in that: the opening part of described spring energy-storage sealing ring (20) is solid
Dingan County is equipped with the open flap of arc.
4. low temperature regulation valve as claimed in claim 1, it is characterised in that: described bellows components includes bearing (17) and a ripple
Stricture of vagina pipe (15), described bearing (17) is all set on described valve rod (16) with described corrugated tube (15), described corrugated tube (15)
Two ends fixing with seal receptacle (14) and bearing (17) be respectively connected.
5. low temperature regulation valve as claimed in claim 1, it is characterised in that: described isolating cylinder parts include interior isolating cylinder (5), outer
The outer circumference surface laminating of isolating cylinder (4) and upper cover plate (8), the inner peripheral surface of described interior isolating cylinder (5) and described support set (6),
The bottom of described interior isolating cylinder (5) is fixing with valve body (1) to be connected, and described outer isolating cylinder (4) coaxially sets with described interior isolating cylinder (5)
Putting, the bottom of described outer isolating cylinder (4) is fixing with valve body (1) to be connected, described interior isolating cylinder (5) and described outer isolating cylinder (4)
Upper end is all fixing with upper cover plate (8) to be connected, and described upper cover plate (8) is fixing with described bonnet, (9) to be connected.
6. low temperature regulation valve as claimed in claim 1, it is characterised in that: described bonnet, is installed with fairlead on (9)
(12), described valve rod (16) passes described fairlead (12), is slidably connected with described bonnet, (9) by fairlead (12).
7. low temperature regulation valve as claimed in claim 1, it is characterised in that: described bonnet, (9) and described seal receptacle (14) it
Between arrange sealing ring be octangonal ring (7).
8. low temperature regulation valve as claimed in claim 5, it is characterised in that: between described bonnet, (9) and described upper cover plate (8)
It is provided with sealing gasket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610711548.6A CN106321876B (en) | 2016-08-24 | 2016-08-24 | Low temperature regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610711548.6A CN106321876B (en) | 2016-08-24 | 2016-08-24 | Low temperature regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321876A true CN106321876A (en) | 2017-01-11 |
| CN106321876B CN106321876B (en) | 2019-04-02 |
Family
ID=57741386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610711548.6A Active CN106321876B (en) | 2016-08-24 | 2016-08-24 | Low temperature regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321876B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720567A (en) * | 2020-06-10 | 2020-09-29 | 肯卓自控工程(江苏)有限公司 | Pressure balance type sleeve regulating valve core seat sealing structure |
| CN116419466A (en) * | 2023-04-13 | 2023-07-11 | 安徽万瑞冷电科技有限公司 | A cryostat assembly |
| CN116625024A (en) * | 2023-04-13 | 2023-08-22 | 中国科学院近代物理研究所 | A thermostat cold mass assembly |
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| CN201934783U (en) * | 2010-12-28 | 2011-08-17 | 浙江纽顿流体控制有限公司 | Bellows stop valve special for chlorine |
| CN201964015U (en) * | 2010-12-14 | 2011-09-07 | 上海大通自控设备有限公司 | Regulating valve for corrugated pipe seal sleeve |
| CN202580276U (en) * | 2012-05-04 | 2012-12-05 | 杭州佳能阀门有限公司 | Sealing adjusting valve of high-pressure corrugated pipe |
| CN203115123U (en) * | 2013-04-02 | 2013-08-07 | 浙江贝尔控制阀门有限公司 | Aluminum angle valve for pumping outside internal parts |
| CN203374844U (en) * | 2013-06-21 | 2014-01-01 | 浙江迪元仪表有限公司 | Adjusting valve |
| CN205937916U (en) * | 2016-08-24 | 2017-02-08 | 吴忠仪表有限责任公司 | Isolated low temperature governing valve in three chambeies |
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2016
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| FR2166480A5 (en) * | 1971-12-27 | 1973-08-17 | Monrocq Raymond | Low temp valve - protected against icing by vacuum enclosure of stem |
| JPS55145873A (en) * | 1979-04-26 | 1980-11-13 | Power Reactor & Nuclear Fuel Dev Corp | Bellows seal valve |
| CN201141443Y (en) * | 2007-12-26 | 2008-10-29 | 北京航天试验技术研究所 | Large-caliber low-temperature through-flow type break valve |
| CN201964015U (en) * | 2010-12-14 | 2011-09-07 | 上海大通自控设备有限公司 | Regulating valve for corrugated pipe seal sleeve |
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| CN203115123U (en) * | 2013-04-02 | 2013-08-07 | 浙江贝尔控制阀门有限公司 | Aluminum angle valve for pumping outside internal parts |
| CN203374844U (en) * | 2013-06-21 | 2014-01-01 | 浙江迪元仪表有限公司 | Adjusting valve |
| CN205937916U (en) * | 2016-08-24 | 2017-02-08 | 吴忠仪表有限责任公司 | Isolated low temperature governing valve in three chambeies |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720567A (en) * | 2020-06-10 | 2020-09-29 | 肯卓自控工程(江苏)有限公司 | Pressure balance type sleeve regulating valve core seat sealing structure |
| CN116419466A (en) * | 2023-04-13 | 2023-07-11 | 安徽万瑞冷电科技有限公司 | A cryostat assembly |
| CN116625024A (en) * | 2023-04-13 | 2023-08-22 | 中国科学院近代物理研究所 | A thermostat cold mass assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106321876B (en) | 2019-04-02 |
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